Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Joshua Lee, a software engineer with more than 10 years of experience delivering full lifecycle product development—from architecture and development to testing and deployment with automated CI/CD. I excel at designing scalable frontend platforms and robust APIs, mentoring engineers, and driving performance, accessibility, and long-term maintainability across large React and Next.js ecosystems. I enjoy solving hard problems and learning new challenges. I’ve integrated AI-powered features using OpenAI and LangChain to surface automated insights, summaries, and recommendations directly in the UI, and I actively pursue AI-driven UX patterns, automated testing, and reliable observability to reduce incidents and optimize cloud costs.…I'm Joshua Lee, a software engineer with more than 10 years of experience delivering full lifecycle product development—from architecture and development to testing and deployment with automated CI/CD. I excel at designing scalable frontend platforms and robust APIs, mentoring engineers, and driving performance, accessibility, and long-term maintainability across large React and Next.js ecosystems. I enjoy solving hard problems and learning new challenges. I’ve integrated AI-powered features using OpenAI and LangChain to surface automated insights, summaries, and recommendations directly in the UI, and I actively pursue AI-driven UX patterns, automated testing, and reliable observability to reduce incidents and optimize cloud costs.

Joshua Lee

Full Stack Developer, Web Developer, Front-End Developer, +3





I'm Joshua Lee, a software engineer with more than 10 years of experience delivering full lifecycle product development—from architecture and development to testing and deployment with automated CI/CD. I excel at designing scalable frontend platforms and robust APIs, mentoring engineers, and driving performance, accessibility, and long-term maintainability across large React and Next.js ecosystems. I enjoy solving hard problems and learning new challenges. I’ve integrated AI-powered features using OpenAI and LangChain to surface automated insights, summaries, and recommendations directly in the UI, and I actively pursue AI-driven UX patterns, automated testing, and reliable observability to reduce incidents and optimize cloud costs.…I'm Joshua Lee, a software engineer with more than 10 years of experience delivering full lifecycle product development—from architecture and development to testing and deployment with automated CI/CD. I excel at designing scalable frontend platforms and robust APIs, mentoring engineers, and driving performance, accessibility, and long-term maintainability across large React and Next.js ecosystems. I enjoy solving hard problems and learning new challenges. I’ve integrated AI-powered features using OpenAI and LangChain to surface automated insights, summaries, and recommendations directly in the UI, and I actively pursue AI-driven UX patterns, automated testing, and reliable observability to reduce incidents and optimize cloud costs.

Available to hire

I’m Joshua Lee, a software engineer with more than 10 years of experience delivering full lifecycle product development—from architecture and development to testing and deployment with automated CI/CD. I excel at designing scalable frontend platforms and robust APIs, mentoring engineers, and driving performance, accessibility, and long-term maintainability across large React and Next.js ecosystems.

I enjoy solving hard problems and learning new challenges. I’ve integrated AI-powered features using OpenAI and LangChain to surface automated insights, summaries, and recommendations directly in the UI, and I actively pursue AI-driven UX patterns, automated testing, and reliable observability to reduce incidents and optimize cloud costs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Avanade

January 1, 2020 - December 31, 2025

Led frontend architecture and technical direction for large-scale React and Next.js platforms, mentoring engineers and defining standards for performance, accessibility, AI integration, and long-term maintainability. Designed and delivered real-time React dashboards serving 200K+ active users, achieving a 38% reduction in UI latency through memoization, virtualization, and optimized state management. Built a shared React component system and SSR-driven Next.js pages that improved SEO visibility by 42% and significantly reduced duplicated development effort across teams. Integrated AI-powered features using OpenAI and LangChain to surface automated insights, summaries, and recommendations directly in the UI, reducing manual analysis effort by 31%. Increased user engagement by 27% by introducing AI-assisted personalization and intelligent filtering across high-traffic analytics views. Reduced frontend-related production incidents by 35% through stricter testing practices, visual regressi

Senior Software Developer at LoanDocSolution

January 1, 2018 - December 31, 2020

Modernized enterprise dashboards by migrating legacy Angular applications to React, improving maintainability and enabling faster iteration for product teams. Delivered React applications supporting 300K+ monthly users, achieving a 33% improvement in page load performance through code splitting and optimized rendering strategies. Built GraphQL-powered React dashboards that reduced over-fetching and improved perceived UI responsiveness by 29%. Integrated AI-driven analytics outputs into frontend visualizations, increasing insight accuracy and decision confidence by 34% for business users. Reduced frontend defects by 28% by introducing automated testing with Jest, React Testing Library, and Cypress across critical user flows. Accelerated release cycles by 41% through standardized CI/CD pipelines and automated quality checks. Improved system reliability by 30% through better error handling, frontend observability, and cloud deployment practices on Azure.

Full Stack Developer at LeaseHold

January 1, 2017 - December 31, 2018

Built high-performance React single-page applications and supporting Node.js APIs for analytics and logistics platforms. Supported platforms handling tens of thousands of daily users, improving frontend responsiveness by 36% through efficient state management and rendering optimizations. Implemented early AI-assisted data aggregation and visualization logic that improved reporting accuracy by 23% for operational dashboards. Reduced backend response times by 31% using Redis caching and optimized API design. Improved mobile and offline reliability by 40% through PWA techniques and offline-first frontend strategies. Achieved 99% uptime by containerizing applications with Docker and deploying on Kubernetes-based environments. Decreased deployment-related issues by 34% through CI/CD automation and environment standardization. Delivered reusable frontend components and dashboards that scaled with increasing data volume and business complexity. Worked closely with designers and backend engine

Senior Team Member at Menchie's Frozen Yogurt

January 1, 2014 - December 31, 2017

Supported multi-store operations by standardizing back-office routines and improving the accuracy of daily reporting workflows, aligning store execution with brand quality expectations and operational consistency. Introduced lightweight automation and tracking practices (process templates and structured logs) that reduced end-of-day reconciliation time by 20% and improved shift handoffs for managers and staff. Applied basic AI/ML-style forecasting ideas (trend-based demand planning) to improve staffing and prep decisions, increasing schedule accuracy by 10% during high-traffic store periods. Built strong habits in reliability, customer-facing issue triage, and teamwork that translated directly into enterprise software delivery practices focused on quality, repeatability, and smooth operational handoffs.

Senior Team Member at Menchie’s Frozen Yogurt

January 1, 2014 - January 1, 2017

Supported multi-store operations by standardizing back-office routines and improving daily reporting accuracy. Introduced lightweight automation and structured logging to shorten end-of-day reconciliation and improve shift handoffs. Explored AI/ML-style forecasting to improve staffing decisions and schedule accuracy while maintaining reliability and collaboration across teams.